function ShowAdvertisement(a){var c=document.getElementsByName("imgCtrlAd").length;for(var d=0;d<c;d++){var e="divAd"+d;var b="imgCtrlAd"+d;if(a==d){document.getElementById(e).style.display="";document.getElementById(b).src="/images/Addons/AdRotator/icon"+(d+1)+"-on.gif"}else{document.getElementById(e).style.display="none";document.getElementById(b).src="/images/Addons/AdRotator/icon"+(d+1)+"-off.gif"}}};